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sergejj [24]
2 years ago
11

Calculate the energy required to freeze 378 grams of water to ice at 0°c​

Chemistry
2 answers:
ioda2 years ago
7 0

Answer:

What was the answer?

Explanation:

I have the same question

DerKrebs [107]2 years ago
3 0

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If 36.0 g of NaOH (MM = 40.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the
Kobotan [32]

Answer:

Molarity of NaOH = 1.8 M.

Explanation:

From the question given above, the following data were obtained:

Mass of NaOH = 36 g

Molar mass of NaOH = 40 g/mol

Volume = 500 mL

Molarity of NaOH =?

Next, we shall determine the number of mole in 36 g of NaOH. This can be obtained as follow:

Mass of NaOH = 36 g

Molar mass of NaOH = 40 g/mol

Mole of NaOH =?

Mole = mass / molar mass

Mole of NaOH = 36 / 40

Mole of NaOH = 0.9 mole

Next, we shall convert 500 mL to L. This can be obtained as follow:

1000 mL = 1 L

Therefore,

500 mL = 500 mL × 1 L / 1000 mL

500 mL = 0.5 L

Finally, we shall determine the molarity of NaOH. This can be obtained as follow:

Mole of NaOH = 0.9 mole

Volume = 0.5 L

Molarity of NaOH =?

Molarity = mole / Volume

Molarity of NaOH = 0.9 / 0.5

Molarity of NaOH = 1.8 M

8 0
2 years ago
A baseline for an experimental investigation is provided by the
Rina8888 [55]
A baseline for experimental investigation is provided by an hypothesis. This is a must before conducting experiments. Also, it is the hypothesis that is being proved by doing the experiments. So, hypothesis is very important in research studies. Hope this answers the question.
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3 years ago
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What is the physical state of the smallest alkanes at room temperature?
dem82 [27]

They are gases at room temperature

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Which are balanced plus if they aren’t please correct them
Veronika [31]

b,f,h are already balanced

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Create a chemical equation for "Bubbling chlorine gas through a solution of sodium bromide gives elemental bromine and a solutio
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Answer:

Cl_{2} +2NaBr ---> 2NaCl + Br_{2}

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